JPH02128631U - - Google Patents
Info
- Publication number
- JPH02128631U JPH02128631U JP3865689U JP3865689U JPH02128631U JP H02128631 U JPH02128631 U JP H02128631U JP 3865689 U JP3865689 U JP 3865689U JP 3865689 U JP3865689 U JP 3865689U JP H02128631 U JPH02128631 U JP H02128631U
- Authority
- JP
- Japan
- Prior art keywords
- torque
- output
- center differential
- front wheels
- transmission capacity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 9
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
Description
第１図は、本考案の第１実施例を示す４輪駆動
車の模式図である。第２図は、第１図に示す４輪
駆動車のトルク配分状態を示す図である。第３図
は、第１図に示す４輪駆動車の動力伝達装置にお
いて、前輪側に伝達されるトルクの割合の、第１
、第２摩擦クラツチのトルク伝達容量に対する特
性を示す図である。第４図〜第６図は、夫々第１
摩擦クラツチのトルク伝達容量を、０％、５０％
、１００％に設定したときの、前輪側と後輪側と
へのトルク配分比の、第２摩擦クラツチのトルク
伝達容量に対する特性を示す図である。第７図は
、第１ドライブギヤから第１ドリブンギヤへの増
速比を１．０に設定し、第２ドライブギヤから第
２ドリブンギヤへの増速比を１．２に設定した場
合の、第１、第２センタデフの速度線図である。
第８図は、第１ドライブギヤから第１ドリブンギ
ヤへの増速比と、第２ドライブギヤから第２ドリ
ブンギヤへの増速比とを等しく設定した場合の、
第１、第２センタデフの速度線図である。第９図
は、本考案の第２実施例を示す４輪駆動車の模式
図である。第１０図は、前輪側と後輪側とへのト
ルク配分比を変えられるようにした従来の動力伝
達装置を備えた４輪駆動車の模式図である。第１
１図は、第１０図に示す４輪駆動車の前輪側と後
輪側とへのトルク配分比のクラツチ伝達容量に対
する特性を示す図である。
ＣＡ……第１摩擦クラツチ、ＣＢ……第２摩擦
クラツチ、ＤＡ……第１センタデフ、ＤＢ……第
２センタデフ、ＤＣ……第２センタデフ、１……
エンジン、２……変速機、３……変速機出力軸、
４……メインドライブギヤ、５……メインドリブ
ンギヤ、６……キヤリア、７……リングギヤ、８
……サンギヤ、１８，１９……前輪、３６，３７
……後輪。
FIG. 1 is a schematic diagram of a four-wheel drive vehicle showing a first embodiment of the present invention. FIG. 2 is a diagram showing the torque distribution state of the four-wheel drive vehicle shown in FIG. 1. Figure 3 shows the first ratio of the torque transmitted to the front wheels in the power transmission system for the four-wheel drive vehicle shown in Figure 1.
, is a diagram showing the characteristics of the second friction clutch with respect to the torque transmission capacity. Figures 4 to 6 are the first
The torque transmission capacity of the friction clutch is 0% and 50%.
, is a diagram showing the characteristics of the torque distribution ratio between the front wheels and the rear wheels with respect to the torque transmission capacity of the second friction clutch when the torque distribution ratio is set to 100%. FIG. 7 shows the speed increase ratio when the speed increase ratio from the first drive gear to the first driven gear is set to 1.0 and the speed increase ratio from the second drive gear to the second driven gear is set to 1.2. 1. It is a speed diagram of the second center differential.
FIG. 8 shows the case where the speed increase ratio from the first drive gear to the first driven gear and the speed increase ratio from the second drive gear to the second driven gear are set equal.
FIG. 4 is a speed diagram of the first and second center differentials. FIG. 9 is a schematic diagram of a four-wheel drive vehicle showing a second embodiment of the present invention. FIG. 10 is a schematic diagram of a four-wheel drive vehicle equipped with a conventional power transmission device that can change the torque distribution ratio between the front wheels and the rear wheels. 1st
FIG. 1 is a diagram showing the characteristics of the torque distribution ratio between the front wheels and the rear wheels of the four-wheel drive vehicle shown in FIG. 10 with respect to the clutch transmission capacity. CA...first friction clutch, CB...second friction clutch, DA...first center differential, DB...second center differential, DC...second center differential, 1...
Engine, 2...Transmission, 3...Transmission output shaft,
4... Main drive gear, 5... Main driven gear, 6... Carrier, 7... Ring gear, 8
... Sun gear, 18, 19 ... Front wheel, 36, 37
……Rear wheel.
Claims (1)
率で配分して２つの出力部から出力する第１セン
タデフと、該第１センタデフの一方の出力部から
出力されるトルクを所定の比率で配分して前輪側
と後輪側とに伝達する第２センタデフと、トルク
伝達容量を連続的に変更できる２つの摩擦クラツ
チよりなり両摩擦クラツチのトルク伝達容量を調
節することにより上記第１センタデフの他方の出
力部から出力されるトルクを前輪側と後輪側とに
任意に配分して伝達するトルク配分手段とが設け
られたことを特徴とする４輪駆動車の動力伝達装
置。 A first center differential that distributes the torque output from the transmission output shaft in a predetermined ratio and outputs it from two output parts; and a first center differential that distributes the torque output from one output part of the first center differential in a predetermined ratio. It consists of a second center differential that transmits torque to the front wheels and rear wheels, and two friction clutches that can continuously change the torque transmission capacity.By adjusting the torque transmission capacity of both friction clutches, the other one of the first center differential A power transmission device for a four-wheel drive vehicle, comprising a torque distribution means for arbitrarily distributing and transmitting torque output from an output section to front wheels and rear wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3865689U JPH02128631U (en) | 1989-03-31 | 1989-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3865689U JPH02128631U (en) | 1989-03-31 | 1989-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02128631U true JPH02128631U (en) | 1990-10-23 |
Family
ID=31546858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3865689U Pending JPH02128631U (en) | 1989-03-31 | 1989-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02128631U (en) |
-
1989
- 1989-03-31 JP JP3865689U patent/JPH02128631U/ja active Pending
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